Process for the preparation of unsaturated amino compounds

Details Process for the preparation of unsaturated amino compounds Process for the preparation of unsaturated amino compounds

B - Operations, Transporting

01

J

B01J 23/89 (2006.01) B01J 23/56 (2006.01) B01J 23/62 (2006.01) B01J 23/64 (2006.01) C07C 213/00 (2006.01) C07C 213/02 (2006.01) C07C 217/84 (2006.01) C07C 227/04 (2006.01) C07C 229/54 (2006.01) C07C 231/12 (2006.01) C07C 237/30 (2006.01) C07C 253/30 (2006.01) C07C 255/58 (2006.01) C07D 277/68 (2006.01) C07D 295/192 (2006.01) C07F 7/10 (2006.01)

Patent

CA 2187922

The present invention relates to a process for the preparation of aromatic amino compounds which are substituted by at least one group comprising at least one unsaturated carbon-carbon bond, by catalytic hydrogenation of corresponding aromatic nitro compounds in the presence of a modified noble metal catalyst, wherein the noble metal catalyst used is platinum modified with a metal selected from the group consisting of lead, mercury, bismuth, germanium, cadmium, arsenic, antimony, silver and gold, and to novel noble metal catalysts for use in this process.

La présente invention se rapporte à un procédé de préparation de composés aminés aromatiques substitués par au moins un groupe comprenant au moins une liaison carbone-carbone insaturée, par hydrogénation catalytique de composés nitrés aromatiques correspondants en présence d'un catalyseur à metal noble modifié, ledit catalyseur étant du platine modifié par un métal choisi dans le groupe composé de plomb, d'antimoine, d'argent et d'or. Les nouveaux catalyseurs à métal noble utilisés selon ce procédé sont également décrits.

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